A power distribution cabinet with a ground terminal protection cover

Abstract

The utility model discloses a kind of power distribution cabinet with grounding terminal protective cover, belong to power distribution cabinet technical field.The existing power distribution cabinet grounding terminal exists that the exposed conductive part is easy to cause false touch electric shock risk, and protective structure is inconvenient to disassemble and affects maintenance etc. The power distribution cabinet includes power distribution cabinet box and movable door, box inner wall is equipped with grounding terminal main body, the main body is composed of conductive iron sheet and protective shell;Conductive iron sheet is connected with power distribution cabinet ground wire by pressing wire screw pressure joint electrical component ground wire;The side of protective shell is hinged L-shaped movable cover, and is also provided with two groups of fixed components.Fixed components include mounting stud that penetrates box, insulating washer and limiting screw, protective shell is opened L-shaped installation slot and cooperates with mounting stud, movable cover top is locked by positioning screw.This power distribution cabinet can avoid false touch conductive part, protective structure and internal component disassembly and assembly are convenient, can improve ground system safety and maintenance efficiency, applicable to the safety protection and routine maintenance of power distribution cabinet grounding system.

Description

Technical Field

[0001] This utility model belongs to the field of power distribution cabinet technology, and in particular relates to a power distribution cabinet with a protective cover for grounding terminals. Background Technology

[0002] Distribution cabinets are used in electrical systems to centrally install electrical components. Their grounding terminals are critical components for ensuring electrical safety, requiring a stable connection between the distribution cabinet's grounding wire and the electrical component's grounding wire to conduct leakage current. Currently available distribution cabinet grounding terminals still have the following problems in practical applications: Most grounding terminals have their conductive parts directly exposed inside the distribution cabinet, lacking an effective shielding and isolation structure. Operators are prone to accidentally touching the conductive parts and incurring the risk of electric shock when performing maintenance or wiring work inside the distribution cabinet. Although some distribution cabinets have added protective structures to the grounding terminals, the installation and removal of these protective structures are not convenient enough. It is inconvenient to disassemble the protective structures separately when needed, which makes it difficult to carry out equipment maintenance work. Utility Model Content

[0003] The purpose of this utility model is to provide a power distribution cabinet with a protective cover for grounding terminals. In this utility model, the design of the protective shell and the L-shaped movable cover can prevent personnel from accidentally touching the grounding terminal. The movable cover is locked by positioning screws and assisted by a lever, making it easy to open and close. The protective shell is equipped with mounting studs through the L-shaped mounting groove. Disassembly only requires loosening the nuts, without removing the studs or other parts. The conductive iron plate is equipped with an insulating gasket when connected to the mounting studs, which can prevent the cabinet from being energized and is easy to disassemble and maintain. The through-hole of the protective shell can standardize the wiring. Overall, it improves the safety and maintenance convenience of the grounding system and solves the existing technical problems.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: A distribution cabinet with a protective cover for grounding terminals, comprising: A power distribution cabinet enclosure, wherein a hinged door is provided on one side of the power distribution cabinet enclosure, the hinged door being used to close the opening of the power distribution cabinet enclosure; The grounding terminal body is located on the inner wall of one side of the distribution cabinet and consists of a conductive iron plate and a protective shell. Multiple wire-pressing screws are threaded through one side of the conductive iron plate to press the grounding wire of the electrical components. Its bottom end is electrically connected to the grounding wire of the distribution cabinet to achieve overall grounding of the distribution cabinet. An L-shaped movable cover is hinged to one side of the protective shell. The L-shaped movable cover cooperates with the protective shell to cover the conductive iron plate and avoid the risk of electric shock caused by operators accidentally touching the conductive parts. Two sets of fixing components are used to install and fix the conductive iron plate and protective shell to the distribution cabinet.

[0005] Optionally, the fixing component includes a mounting stud penetrating one side of the distribution cabinet enclosure. The mounting stud has an internal threaded hole, and a first limiting screw located outside the distribution cabinet enclosure is threaded onto one end of the internal threaded hole. An insulating washer abuts against one end of the mounting stud, and the insulating washer is in close contact with one side of the conductive iron plate. A second limiting screw penetrates one side of the conductive iron plate, and the second limiting screw passes through the insulating washer and is threaded into the internal threaded hole to fix the conductive iron plate and the mounting stud. The insulating washer can prevent the conductive iron plate from directly contacting the mounting stud, which would cause current shunting and ensure a stable grounding path.

[0006] Optionally, two L-shaped mounting slots are provided on one side of the protective shell. The inner wall of the L-shaped mounting slot slides into the outer wall of the mounting stud to achieve engagement between the protective shell and the mounting stud. A clamping nut is threaded onto the outer wall of the mounting stud. The clamping nut is close to the inner wall of one side of the protective shell and engages with the inner wall of the distribution cabinet to clamp and fix the protective shell. After loosening the clamping nut, the protective shell can be lifted upward and moved horizontally to disengage the L-shaped mounting slots from the mounting studs, thereby enabling the protective shell to be disassembled separately for easy equipment maintenance.

[0007] Optionally, a cable channel is provided on one side of the protective shell, which cooperates with multiple wire clamping screws to allow the grounding wire of the electrical components to pass through; a cable hole is provided at the bottom of the protective shell, which allows the grounding wire of the distribution cabinet to pass out; the grounding wire of the electrical components passes through the cable channel and is then clamped to the conductive iron plate by the wire clamping screws, and the grounding wire of the distribution cabinet passes out through the cable hole, so as to achieve standardized cable arrangement and reduce the risk of accidentally touching the grounding wire during maintenance.

[0008] Optionally, the bottom of the distribution cabinet has two cable outlet holes for multiple cables to pass through, facilitating the connection and arrangement of cables inside and outside the distribution cabinet.

[0009] Optionally, the L-shaped movable cover has a positioning hole at the top, and a positioning screw is threaded through the top of the protective shell. One end of the positioning screw can pass through the positioning hole. Tightening the positioning screw allows it to pass through the positioning hole, thereby closing and locking the L-shaped movable cover. After loosening the positioning screw, the L-shaped movable cover can be rotated to open, making operation convenient.

[0010] Optionally, a plurality of levers are fixedly installed on one side of the L-shaped movable cover, and each of the levers has a through hole in its center; by moving the levers, the L-shaped movable cover can be easily rotated around the hinge point, further improving the ease of operation of opening and closing the L-shaped movable cover.

[0011] Optionally, the first limiting screw, through its threaded engagement with the internal threaded hole, restricts the position of the mounting stud on the distribution cabinet body, preventing the mounting stud from falling off the distribution cabinet body; the second limiting screw, through its threaded connection to the internal threaded hole via the conductive iron plate and the insulating gasket, ensures the stability of the connection and fixation between the conductive iron plate and the mounting stud, and the conductive iron plate can be removed by loosening the second limiting screw without the need to disassemble other components.

[0012] Optionally, the bent portions of the two L-shaped mounting slots are both arranged facing upwards, so that when the mounting studs slide and engage along the inner wall of the L-shaped mounting slots, the protective shell can achieve initial positioning after installation by means of its own weight. Combined with the clamping effect of the clamping nut, the stability of the protective shell after installation is further improved.

[0013] The embodiments of this utility model have the following beneficial effects: In this utility model, the power distribution cabinet is equipped with a protective shell and an L-shaped movable cover for the grounding terminal body. The L-shaped movable cover is hinged to the protective shell, and when closed, it can cover the conductive iron plate, thus preventing the conductive parts from being directly exposed inside the power distribution cabinet. When operators perform maintenance or wiring work inside the power distribution cabinet, they can effectively isolate themselves from contact with the conductive iron plate, fundamentally reducing the risk of electric shock caused by accidental contact with conductive parts. In this utility model, the top of the L-shaped movable cover is locked to the protective shell by a positioning screw. Loosening the positioning screw allows the movable cover to be rotated around the hinge point to open it. The lever on one side of the movable cover is easy for the operator to operate by hand without complicated operations. Whether opening the movable cover to connect wires or closing it to lock it for protection, the operation is convenient and efficient. In this invention, to address the problem of inconvenient disassembly and assembly of the protective structure, the protective shell is installed by engaging with mounting studs via an L-shaped mounting groove on the side. When the protective shell needs to be disassembled separately, simply loosen the clamping nut on the outer wall of the mounting stud, lift the protective shell upwards and move it horizontally, allowing the L-shaped mounting groove to detach from the mounting stud, and the protective shell can be removed directly without disassembling the mounting studs fixed to the distribution cabinet or other components of the grounding terminal. This design makes the disassembly and assembly of the protective structure simple and quick, allowing operators to quickly remove the protective shell and maintain or replace internal components such as conductive iron plates and wire clamping screws, significantly reducing the number of steps and time required for maintenance and improving the convenience of equipment maintenance.

[0014] In this invention, the conductive iron plate is connected to the mounting stud via a second limiting screw, with an insulating gasket between them. This not only prevents current shunting caused by direct contact between the conductive iron plate and the mounting stud, ensuring a stable grounding path, but also allows for easy disassembly of the conductive iron plate by simply loosening the second limiting screw, eliminating the need to disassemble the protective structure or fixing components, thus further optimizing the maintenance process. The through-holes and through-grooves on the protective shell provide a standardized channel for the grounding wire, preventing messy cable routing and indirectly reducing the risk of accidental contact with the grounding wire during maintenance. Overall, this improves the safety and ease of maintenance of the distribution cabinet grounding system.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present invention; Figure 2 This is a schematic diagram of another structural view of an embodiment of the present utility model; Figure 3 This is a schematic diagram of the internal structure of an embodiment of the present utility model; Figure 4 This is a schematic diagram of the disassembled structure of an embodiment of the present utility model; Figure 5 This is a schematic diagram of the conductive iron plate mounting structure according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the protective shell installation structure according to an embodiment of the present invention.

[0018] In the diagram: 1. Distribution cabinet body; 2. Movable door; 3. Outlet hole; 4. Grounding terminal body; 5. Conductive iron plate; 6. Wire clamping screw; 7. Protective shell; 8. L-shaped movable cover; 9. Through-channel groove; 10. Through-channel hole; 11. Compression nut; 12. Mounting stud; 13. First limit screw; 14. Insulating washer; 15. Second limit screw; 16. Internal threaded hole; 17. L-shaped mounting groove; 18. Positioning hole; 19. Positioning screw; 20. Toggle block. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] In the description of this utility model, it should be understood that the terms "opening", "upper", "middle", "length", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0021] To keep the following description of the embodiments of this utility model clear and concise, detailed descriptions of known functions and known components are omitted.

[0022] In one embodiment: Please refer to Figure 1-6 As shown, this embodiment provides a power distribution cabinet, including a power distribution cabinet body 1, a movable door 2, a grounding terminal body 4, and two sets of fixing components.

[0023] In this embodiment, the power distribution cabinet 1 is a cuboid structure, and a movable door 2 is hinged to its front opening. The opening of the cabinet can be closed and opened by rotating the movable door 2.

[0024] In this embodiment, the grounding terminal body 4 is disposed on the inner wall of one side of the distribution cabinet 1, and is composed of a conductive iron plate 5 and a protective shell 7. The conductive iron plate 5 is a rectangular metal plate, with multiple wire clamping screws 6 arranged longitudinally on one side, one end of each screw threaded through one side of the conductive iron plate 5. The grounding wire of the electrical component can be crimped and fixed by rotating the wire clamping screws 6. The bottom end of the conductive iron plate 5 is electrically connected to the grounding wire of the distribution cabinet, which can realize the overall grounding function of the equipment.

[0025] In this embodiment, the protective shell 7 is a rectangular cover structure, and an L-shaped movable cover 8 is hinged to its right side. The L-shaped movable cover 8 is composed of a vertical plate and a horizontal plate forming an L-shaped structure. When the movable cover rotates around the hinge to the closed position, its vertical plate is in contact with the side wall of the protective shell 7, and the horizontal plate covers the conductive iron plate 5, forming a complete cover and isolation.

[0026] In this embodiment, the fixing assembly includes a mounting stud 12, a first limiting screw 13, an insulating washer 14, and a second limiting screw 15. Two mounting holes are provided on the side wall of the distribution cabinet 1. The mounting stud 12 passes through the mounting holes, with its outer end located outside the cabinet and threaded with the first limiting screw 13. The extension length of the mounting stud 12 can be adjusted by rotating the first limiting screw 13. An internally threaded hole 16 is provided at the inner end of the mounting stud 12. The conductive iron plate 5 is connected and fixed to the internally threaded hole 16 via the second limiting screw 15. During installation, the insulating washer 14 is first fitted onto the inner end of the mounting stud 12, then the conductive iron plate 5 is attached to the insulating washer 14, and finally the second limiting screw 15 is screwed in to complete the fixing. Two L-shaped mounting grooves 17 are provided on the right side of the protective shell 7, with the bent parts of the mounting grooves facing upwards. During assembly, align the L-shaped mounting groove 17 of the protective shell 7 with the mounting stud 12, push it upwards and then move it horizontally so that the mounting stud 12 is engaged in the horizontal section of the mounting groove. At this time, a clamping nut 11 is threaded onto the outer wall of the mounting stud 12 and tightened. Through the clamping action between the clamping nut 11 and the inner wall of the box, the protective shell 7 is stably installed.

[0027] In this embodiment, a wire passage groove 9 is provided on the left side of the protective shell 7. This wire passage groove 9 is a longitudinally elongated opening, corresponding to the position of the wire clamping screw 6 on the conductive iron plate 5, to facilitate the passage of the grounding wire of the electrical components. A wire passage hole 10 is provided at the bottom of the protective shell 7, through which the grounding wire of the distribution cabinet is led out of the box. Two circular wire outlet holes 3 are provided at the bottom of the distribution cabinet box 1 for the entry and exit of other wires.

[0028] This application can be used in the field of power distribution cabinet technology, or in other fields applicable to this application.

[0029] In another embodiment: Reference Figure 4 , 6 A power distribution cabinet with a protective cover for grounding terminals, which is applied to the field of power distribution cabinet technology; In this embodiment, a positioning hole 18 is provided on the top of the movable cover, and a positioning screw 19 is threadedly installed at the corresponding position on the top of the protective shell 7. The positioning screw 19 passes through the positioning hole 18 and engages with the thread of the protective shell 7 to lock it in place, thereby achieving the closing and locking of the movable cover.

[0030] In this embodiment, three levers 20 are welded to the outside of the L-shaped movable cover 8. Each lever 20 has a through hole in the center, which makes it easy for the operator to move it to open the L-shaped movable cover 8.

[0031] In this embodiment, both the protective shell 7 and the L-shaped movable cover 8 are made of transparent insulating material, which can improve safety while facilitating staff to observe and maintain the equipment.

[0032] The usage process and working principle of this utility model technical solution are as follows: During installation, first, insert the mounting stud 12 from inside the distribution cabinet 1 outwards. Then, screw the first limiting screw 13 into the cabinet from the outside to secure one end of the mounting stud 12 against the side wall of the cabinet. Next, ensure that the clamping nut 11 is screwed onto the outer wall of the mounting stud 12. Simultaneously, press the insulating gasket 14 against one side of the conductive iron plate 5. Use the second limiting screw 15 to pass through the conductive iron plate 5 and the insulating gasket 14, and screw it into the internal threaded hole 16 at the end of the mounting stud 12 to achieve the installation and fixation of the conductive iron plate 5.

[0033] Then, align the L-shaped mounting groove 17 on the side of the protective housing 7 with the mounting stud 12, and push the L-shaped mounting groove 17 horizontally into place. The protective housing 7 will then fall under gravity, causing the mounting stud 12 to lock into the vertical end of the groove. Tighten the clamping nut 11 to press it firmly against the inside of the protective housing 7, thus securing the protective housing 7 and further limiting and locking the mounting stud 12. The grounding wire of the distribution cabinet can be led out from the through hole 10 at the bottom of the protective housing 7, while the grounding wire of the electrical equipment is introduced through the through groove 9 on the side of the protective housing 7 and secured to the conductive iron plate 5 by the clamping screw 6.

[0034] After installation, close the L-shaped movable cover 8 and rotate it around the hinge point until it covers the opening of the protective shell 7. When the positioning hole 18 is aligned with the positioning screw 19, tighten the positioning screw 19 to lock the movable cover. The movable cover can be easily opened or closed by moving the toggle 20 on the L-shaped movable cover 8, which is convenient for operators to wire or maintain.

[0035] When it is necessary to disassemble or replace the grounding terminal, first loosen the clamping nut 11, lift the protective shell 7 upwards and move it horizontally so that the L-shaped mounting groove 17 is disengaged from the mounting stud 12, and then the protective shell 7 can be removed. Then the second limit screw 15 can be loosened to maintain or replace the conductive iron plate 5.

[0036] The accompanying drawings in this application are for illustrative purposes only. The dimensions and shapes of the components shown are not actual limitations but are merely schematic representations. In actual implementation, the components can be reasonably configured and adjusted according to specific needs and actual conditions.

[0037] It should be noted that in the description of this specification, descriptions such as "first" and "second" are only used to distinguish the features and do not have any actual order or directional meaning. This application is not limited to this.

[0038] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0039] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A power distribution cabinet with a protective cover for a grounding terminal, characterized in that, include: A distribution cabinet box (1) has a hinged door (2) on one side, which is used to close the opening of the distribution cabinet box (1); The grounding terminal body (4) is located on the inner wall of one side of the distribution cabinet box (1). It consists of a conductive iron plate (5) and a protective shell (7). The conductive iron plate (5) has multiple wire-pressing screws (6) threaded through one side to press the grounding wire of the electrical components. Its bottom end is electrically connected to the grounding wire of the distribution cabinet to realize the overall grounding of the distribution cabinet. The protective shell (7) has an L-shaped movable cover (8) hinged on one side. The L-shaped movable cover (8) cooperates with the protective shell (7) to cover the conductive iron plate (5) to avoid the risk of electric shock caused by the operator accidentally touching the conductive part. Two sets of fixing components are used to install and fix the conductive iron plate (5) and the protective shell (7) to the distribution cabinet box (1).

2. The distribution cabinet with a protective cover for grounding terminals according to claim 1, characterized in that, The fixing assembly includes a mounting stud (12) penetrating one side of the distribution cabinet (1). The mounting stud (12) has an internal threaded hole (16). One end of the internal threaded hole (16) is threaded with a first limiting screw (13) located outside the distribution cabinet (1). One end of the mounting stud (12) abuts against an insulating gasket (14). The insulating gasket (14) is in close contact with one side of the conductive iron plate (5). A second limiting screw (15) penetrates one side of the conductive iron plate (5). The second limiting screw (15) penetrates the insulating gasket (14) and is threadedly connected to the internal threaded hole (16) to fix the conductive iron plate (5) and the mounting stud (12). The insulating gasket (14) can prevent the conductive iron plate (5) from directly contacting the mounting stud (12) and causing current shunting, thus ensuring a stable grounding path.

3. The distribution cabinet with a protective cover for grounding terminals according to claim 2, characterized in that, Two L-shaped mounting slots (17) are provided on one side of the protective shell (7). The inner wall of the L-shaped mounting slot (17) slides with the outer wall of the mounting stud (12) to achieve the engagement of the protective shell (7) and the mounting stud (12). A clamping nut (11) is threaded on the outer wall of the mounting stud (12). The clamping nut (11) is close to the inner wall of one side of the protective shell (7) and cooperates with the inner wall of the distribution cabinet (1) to clamp and fix the protective shell (7). After loosening the clamping nut (11), the protective shell (7) can be lifted upward and moved horizontally to disengage the L-shaped mounting slot (17) from the mounting stud (12), so as to realize the individual disassembly of the protective shell (7) and facilitate equipment maintenance.

4. The distribution cabinet with a protective cover for grounding terminals according to claim 3, characterized in that, The protective shell (7) has a through groove (9) on one side, which is used in conjunction with multiple wire clamping screws (6) to allow the grounding wire of the electrical components to pass through; the protective shell (7) has a through hole (10) at the bottom, which allows the grounding wire of the distribution cabinet to pass out; the grounding wire of the electrical components passes through the through groove (9) and is then clamped to the conductive iron plate (5) by the wire clamping screws (6), and the grounding wire of the distribution cabinet passes out through the through hole (10), thus achieving a standardized cable arrangement and reducing the risk of accidentally touching the grounding wire during maintenance.

5. The distribution cabinet with a protective cover for grounding terminals according to claim 1, characterized in that, The bottom of the power distribution cabinet (1) has two cable outlet holes (3), which are used for multiple cables to pass through and into the cabinet, facilitating the connection and arrangement of cables inside and outside the cabinet.

6. The distribution cabinet with a protective cover for grounding terminals according to claim 4, characterized in that, The L-shaped movable cover (8) has a positioning hole (18) on its top, and a positioning screw (19) is threaded through the top of the protective shell (7). One end of the positioning screw (19) can pass through the positioning hole (18). Tighten the positioning screw (19) so that it passes through the positioning hole (18) to achieve the closing and locking of the L-shaped movable cover (8). After loosening the positioning screw (19), the L-shaped movable cover (8) can be rotated to open, which is convenient to operate.

7. The distribution cabinet with a protective cover for grounding terminals according to claim 6, characterized in that, Multiple levers (20) are fixedly installed on one side of the L-shaped movable cover (8), and each of the multiple levers (20) has a through hole in its center. By moving the levers (20), the L-shaped movable cover (8) can be easily rotated around the hinge point, further improving the ease of operation of opening and closing the L-shaped movable cover (8).

8. The distribution cabinet with a protective cover for grounding terminals according to claim 3, characterized in that, The first limiting screw (13) restricts the position of the mounting stud (12) on the distribution cabinet box (1) by threading with the internal threaded hole (16), thus preventing the mounting stud (12) from falling off the distribution cabinet box (1). The second limiting screw (15) passes through the conductive iron plate (5) and the insulating gasket (14) and is threaded to the internal threaded hole (16), ensuring the stability of the connection and fixation between the conductive iron plate (5) and the mounting stud (12). The conductive iron plate (5) can be removed by loosening the second limiting screw (15) without the need to disassemble other components.

9. The distribution cabinet with a protective cover for grounding terminals according to claim 3, characterized in that, The bent portions of the two L-shaped mounting slots (17) are both set upwards, so that when the mounting stud (12) slides and engages along the inner wall of the L-shaped mounting slot (17), the protective shell (7) can achieve initial positioning after installation by means of its own weight. With the tightening effect of the clamping nut (11), the stability of the protective shell (7) after installation is further improved.

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